It's hip to be square in these square-shaped cubic zirconia stud earrings. These earrings are made of water-resistant stainless steel, making them safe from sweating, swimming, and showering, so you can put them on and leave them there, regardless of your activity. Finish: Silver-tone Diameter: 8MM Shape: Square Setting: 4 prong Closure: Post back Material: Stainless steel Style Number: 12078